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Buku Teks
Long, Larry E.
Prentice-Hall, 1989
Buku Teks
A. Rachman Dawallang
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1982
UI - Skripsi Membership
Laudon, Kenneth C., 1944-
Prentice-Hall, 1999
Buku Teks
Matthews, Don Q.
Petrocelli/Charter, 1976
Buku Teks